Comparison

Unit Eater vs BasicCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Unit Eater

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

Highlights
  • Unit conversion and calculation
  • Custom unit definition
  • Extensive unit library
  • Calculation history
  • Customizable result format
  • Dark mode
Read full description

Unique calculator that not only converts units, but can also perform calculations with them. Perfect for school, university, work, or personal use! For math, physics, chemistry, biology, engineering, or any other natural sciences! - Standard calculator functions usable with or without units - Target unit freely definable - Define your own units if you need them - History of recent calculations - Quick transfer of parts or entire calculations from history - ANS function to dynamically use the last result - Customizable result format - Quick search - Quick access to important functions like square or cube - Undo and redo of last steps - Dark mode Boost your productivity, focus on the essentials, and leave conversion errors in the past! Supports many units, prefixes, and constants: * Prefixes: kilo, mega, giga, tera, centi, milli, micro, nano, … * Constants: mass of proton, neutron, electron, Avogadro's constant, electric field constant, gas constant, Planck's constant, … * Angles: radian, degree, degree-minute, degree-second, gradian, turn, steradian, … * Length: meter, mile, inch, foot, yard, nautical mile, chain, furlong, cable length, rod, … * Area: square meter, hectare, acre, are, square kilometer, square inch, square foot, square yard, … * Volume: liter, cubic meter, fluid ounce, gallon, gill, pint, quart, barrel, tablespoon, teaspoon, … * Mass: gram, ton, ounce, pound, carat, grain, … * Time: second, minute, hour, day, year, … * Speed: meter per second, kilometer per hour, miles per hour, knot, speed of light, … * Acceleration: gravitational acceleration, meter per second squared, … * Energy: joule, kilocalorie, erg, watt-hour, electronvolt, … * Power: watt, horsepower, … * Force: Newton, pond, kilopond, tf, ozf, lbf, … * Torque: Newton meter, ozfin, ozfft, lbf*in, … * Frequency: Hertz, revolutions per minute, … * Pressure: pascal, bar, atm, at, Torr, mmHg, osi, ose, psi, psf, … * Viscosity: Poise, Stokes, … * Density: gram per cubic centimeter, kg per cubic meter, … * Radiation: Becquerel, Curie, Rutherford, Roentgen, Gray, Sievert, rem, … * Light: candela, lumen, lux * Electricity: volt, ampere, ohm, coulomb, elementary charge, farad, siemens, … * Magnetism: Weber, Tesla, Henry, … Is your desired unit not listed? You can define any additional units! Privacy Policy: https://www.iubenda.com/privacy-policy/22446614 Terms and Conditions: https://www.iubenda.com/terms-and-conditions/22446614

About

BasicCalc

This app offers both basic and advanced scientific calculation modes with a clean interface and large buttons. It features a persistent history of your last 30 operations and works offline on your iPhone or iPad.

Highlights
  • Basic and Scientific calculation modes
  • Large, easy-to-tap buttons
  • Persistent calculation history (last 30 ops)
  • Works offline
  • Dark theme option
  • Supports iPhone and iPad
Features
Read full description

*** #1 App Calculator in 10 countries! *** No ads or Purchases, just Math! *** BIG Buttons! *** Basic and Simple! ----------------------------------------------------- BasicCalc is the calculator that adapts to you. Start in Basic mode for everyday math, then switch to Scientific mode when you need more power — all in one tap. BASIC MODE • Clean, distraction-free calculator for daily use • Large buttons designed for easy tapping • Left-to-right calculation — what you see is what you get SCIENTIFIC MODE • Full scientific calculator with proper operator precedence • Trigonometric functions: sin, cos, tan, asin, acos, atan • Logarithms: ln, log • Powers and roots: x², x³, √, ∛, ^ • Constants: π, e, random number generator • Parentheses for complex expressions • Degree/Radian toggle • 2nd button doubles available functions SMART FEATURES • Persistent calculation history — review your last 30 operations • Works on both iPhone and iPad • Dark theme — easy on your eyes • No account needed, no internet required Download BasicCalc — the only calculator you need.

Screenshots

Unit Eater4 screens
BasicCalc3 screens

Verdict

The call

The clearest difference is in-app purchases: BasicCalc at none against Unit Eater's 2. Unit Eater's advantage is update cadence (every 2 weeks vs every 17 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. BasicCalc asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Eater ships an update every 2 weeks, BasicCalc every 17 months. The most recent releases landed on September 11, 2026 and August 19, 2026 respectively.

Scorecard4 real differences · 6 level
Unit Eater versus BasicCalc: the parameters behind the verdict, then further details
ParameterUnit EaterBasicCalc
PriceFreeFree
Rating5.0 (1 ratings) — better
Positive reviews100.0% of reviews
Number of ratings1 — better
Update frequencyEvery 2 weeks — betterEvery 17 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size65 MB11 MB
Age rating4+4+
DeveloperTom Leon SchmidtRodrigo Belloso

Customer experience

Unit Eater

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BasicCalc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Unit Eater

Subscriptions1
  • Premium - Monthly$0.991 Month
One-time1
  • Premium - Pay once$3.99
None

BasicCalc

No in-app purchases

Questions

Is Unit Eater free?
Unit Eater is free to download, with in-app purchases available.
Is BasicCalc free?
BasicCalc is free to download, with no in-app purchases.
Do Unit Eater or BasicCalc have ads?
Neither Unit Eater nor BasicCalc shows ads.
Which is updated more often, Unit Eater or BasicCalc?
Unit Eater ships an update every 2 weeks, and BasicCalc every 17 months. Most recently, Unit Eater was updated on September 11, 2026 and BasicCalc on August 19, 2026.

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